Triumphrat

Tee-Dub · 09-09-2006

The low fuel light has been coming on lately on my bike when the tank is still over half full. It will stay on for a couple of miles, then shut off. Is there any known issue with these?

premier · 09-09-2006

Same here. Must be crappy sensor. I haven't noticed it for a while though.

crashmasterd · 09-09-2006

I've had the same issue before. Shut the bike down and fire it back up and all is back to normal.

I never trust that dohicky anyway. 100-110 miles and it's time for fuel.

Probably right, it's a twot of a sensor.

tekmoe · 09-13-2006

mine did this just the other day. had 90 miles on the tank when i usually get 120. the light was on for a minute or two and then went off. went another 30 miles before it came back on for real.

Curmudgeon · 09-13-2006

I haven't investigated the layout of the tank, but might it be that the sensor is in one side (the same side as the fuel pickup)?

If so, if you're riding in a straight line for a while, the level in that side might get low and trigger the fuel light. Then you go around a corner, brake, or accelerate and some fuel sloshes over from the other side and turns the fuel light off.

As I said, I don't know whether that's possible on our S3s, but I've had exactly this "problem" on past bikes and the above story explained it.

Devious2XS · 09-13-2006

For 1050 bikes, use contact cleaner on the fuel pump/level plug contacts - do not use grease or silicone.

Then remove the tank filler neck and reach inside and bend the float arm downward just a bit. It is just a stiff wire with a float on the end. If your hands are big, you will need to remove the pump/level assembly from the bottom of the tank.

This will lower the fuel level when the light is turned on. One gallon is a bit much reserve for a 4.5 gallon tank. Who needs 28.5 % of their tank's capacity as reserve?

I hope this helps.

beatpusher · 09-13-2006

If there is any kind of vacuum in the tank , IE: the tip-over valve isn't in the correct position, it will make the low fuel light come on early.

I had to zip-tie mine so it would stay vertical. No more fuel light probs after that.